code: def get_default_dtype():
      """
      Get the current default floating point.
  
      :return: floating point dtype.
      :rtype: str
      """
      backend = get_backend()
      if backend == "torch":
          torch = sys.modules.get("torch")
          return str(torch.get_default_dtype()).split(".")[1]
      elif backend == "numpy":
          np = sys.modules.get("numpy")
          return np.dtype(np.float_).name
      elif backend == "jax":
          np = sys.modules.get("jax.numpy")
          return np.dtype(np.float_).name
  
imports: import functools
  import inspect
  import pprint
  import re
  import sys
  import numpy
label_desc: Use image node_id 14 for calling a global function with example usage: get_default_dtype() and returns: str, np, np